Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR1209855ApublicationCriticalpatent/FR1209855A/en
C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
C07D493/04—Ortho-condensed systems
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR1209855D1955-05-171956-05-02
Process for the preparation of furobenzopyranones
ExpiredFR1209855A
(en)